Leucospididae by B. D. Burks 874 



Eucharitidae by B. D. Burks 875 



Eupelmidae by B. D. Burks 878 



Encyrtidae by Gordon Gordh 890 



Eulophidae by B. D. Burks 967 



Mymaridae by B. D. Burks 1022 



Trichogrammatidae by B. D. Burks 1033 



Unplaced Taxa in Chalcidoidea by B. D. Burks 1042 



Cynipoidea by B. D. Burks 1045 



Ibaliidae 1045 



Liopteridae 1046 



Figitidae 1047 



Eucoilidae 1052 



Alloxystidae 1058 



Cynipidae 1060 



Evanioidea by Robert W. Carlson 1109 



Evaniidae 1109 



Aulacidae 1111 



Gasteruptiidae 1115 



Pelecinoidea by Carl F. W. Muesebeck 1119 



Pelecinidae 1119 



Proctotrupoidea by Carl F. W. Muesebeck 1121 



Vanhorniidae 1122 



Roproniidae 1122 



Heloridae 1122 



Proctotrupidae 1123 



Diapriidae 1127 



Scelionidae 1150 



Platygastridae 1171 



Ceraphronoidea by Carl F. W. Muesebeck 1187 



Ceraphronidae 1187 



Megaspilidae 1191 



Trigonaloidea by Robert W. Carlson 1197 



Trigonalidae 1197 



Aculeata by Karl V. Krombein 1199 



Bethyloidea by Karl V. Krombein 1203 



Bethylidae 1203 



Sclerogibbidae 1219 



Chrysididae 1220 



Dryinidae 1240 



Embolemidae 1251 



Scolioidea by Karl V. Krombein 1253 



Tiphiidae 1253 



Sierolomorphidae 1276 



Mutillidae 1276 



Scoliidae 1314 



Sapygidae 1319 



Formicoidea by David R. Smith 1323 



Formicidae 1323 



Vespoidea by Karl V. Krombein 1469 



Masaridae 1469 



Eumenidae 1472 



Vespidae 1510 



VI 



